Not all channels available

Hello, when I turned on my tv this afternoon not all my normal channels were available. I performed a channel set up and still static on channels 1 through 13. I then plugged a different television into the same cable jack and all the normal channels were available. I'm stuck. Please make all better.

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I have a 2000 model RCA P52923 and I had the same problem occur a couple of days ago. The sound hasn't worked for a couple of years, but the TV is connected to an RCA surround sound to resolve that issue. Most recently, while watching TV, it began to start scanning channels by itself. I shut it off and unplugged it for a couple of days, but each time that I turn it on, it begins to immediately start scanning each channel. Neither the remote, nor the channel buttons on the set are able to stop the scanning, and neither of them will perform any functions, including turning the set on and off.
Any advice would be greatly appreciated.

Your Direct TV box is switching between a Standard Definition channel and a High Definition channel. When this happens, the TV has to switch the display format. As the format is changing, you will briefly loss picture, the TV detects the new format, and then displays it. What you are seeing is the normal operation of the TV. It the TV did not blank the picture, you would see a broken chopped up picture during the transition. If you are familiar with the setup menu of the Direct TV box, you could change the video format settings so than it locks to the High Definition format. If you are not familiar with the Setup menu, you should contact Direct TV and ask then to walk you though this procedure. Specifically, ask them to "Help me set my Direct TV box so that it always displays in 1080i format." You pay for them for the service, they should be able to provide you with some phone support at no charge. I hope this was helpful, best wishes.

The most common reason for a TV to display a blue screen with no picture is
because the source device has not been set to the proper mode.

If you are using a cable or satellite set-top box, ensure that it is turned
on and set to an active station. If the set-top box is connected to the
television using a coaxial
cable, then the television should be set to Channel 3 or 4
to receive the signal.

If you have are using a VCR that is turned on, but not playing a tape and not
tuned to a receivable channel, then a blue screen will be displayed on the TV.
To resolve this, turn off the VCR or tune it to a receivable channel. If a cable
or satellite set-top box is connected to the VCR using a coaxial cable, then the VCR should normally be set to Channel 3 or 4 to
receive the signal.

If the blue screen is not because of a connected VCR or set-top box, the TV
may require service.

1) Make sure the cable set top box is on and the cable is connected to the TV properly (This may seem simple but I have had to charge many people a $60.00 service fee plus a $70.00 travel fee just to turn on a cable set top box)

2) Make sure the TV is set to the proper input you are using (RF( F connector) , HDMI, Component video, and or Composite Video)

3) Make sure the TV is set to the proper channel (either channel 3 or channel 4 depending on your area) The cable set top box should be action as your tuner.

If all of these conditions are met, then we can begin troubleshooting.

First determine if the other inputs work (HDMI, Component video (RGB), Composite video (yellow), s-Video (6 pronged black cable).If the inputs work then you possibly have a tuner problemIf the inputs don't work then then problem is likely in the video microprocessor.

If the problem is in the tuner or the connective circuitry then we will have to determine where to get a replacement tuner (or you can just use one of your other video inputs)

If the problem is in the video section (which includes the microprocessor) we are going to have to troubleshoot the video section which will involve you having a background in electronics, if not I would suggest having a qualified TV technician perform service on this TV.

Manually type in channel 9 and then hit <enter> so the TV switches to that channel. Then go to the "setup" screen and navigate around until you find the "channel setup" section. There you will find an option to memorize channels, including the channel you are on.